IMA mineral species

Picropharmacolite

Ca₄Mg(AsO₃OH)₂(AsO₄)₂·11H₂O

Arsenate mineral.

White & Clear

Picropharmacolite specimen
Picropharmacolite and Sainfieldite.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Triclinic✏️ streak white
Chemical formulaCa₄Mg(AsO₃OH)₂(AsO₄)₂·11H₂O
ElementsCa, Mg, As, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolPpm
Nickel–Strunz class8.CH.15

“—” means no reliable value in Wikidata yet. Check Mindat for full data.